feat: split markdown messages in postprocess (#303)

eslint/markdown#183 (comment)

Author: JounQin

packages/eslint-plugin-mdx/src/processors/markdown.ts

@@ -367,14 +367,7 @@ function postprocess(
   // eslint-disable-next-line unicorn/prefer-spread
   return ([] as Linter.LintMessage[]).concat(
     ...messages.map((group, i) => {
-      const block = blocks[i]
-
-      // non code block message, parsed by `eslint-mdx` for example
-      if (!block) {
-        return group
-      }
-
-      const adjust = adjustBlock(block)
+      const adjust = adjustBlock(blocks[i])
 
       return group.map(adjust).filter(excludeUnsatisfiableRules)
     }),

packages/eslint-plugin-mdx/src/processors/remark.ts

@@ -15,18 +15,21 @@ export const remark: ESLintProcessor = {
     }
 
     return [
+      text,
       ...markdown.preprocess(text, filename).map(({ text, filename }) => ({
         text,
         filename:
           filename.slice(0, filename.lastIndexOf('.')) +
           '.' +
           getShortLang(filename, processorOptions.languageMapper),
       })),
-      text,
     ]
   },
-  postprocess(lintMessages, filename) {
-    return markdown.postprocess(lintMessages, filename).map(lintMessage => {
+  postprocess([mdxMessages, ...markdownMessages], filename) {
+    return [
+      ...mdxMessages,
+      ...markdown.postprocess(markdownMessages, filename),
+    ].map(lintMessage => {
       const {
         message,
         ruleId: eslintRuleId,

test/__snapshots__/fixtures.test.ts.snap

@@ -5,15 +5,15 @@ Array [
   Object {
     "column": 1,
     "endColumn": 6,
-    "endLine": 36,
+    "endLine": 3,
     "fix": Object {
       "range": Array [
-        406,
-        411,
+        7,
+        12,
       ],
       "text": "# abc",
     },
-    "line": 36,
+    "line": 3,
     "message": "Do not use headings with similar content (1:1)",
     "nodeType": "Program",
     "ruleId": "remark-lint-no-duplicate-headings",
@@ -22,15 +22,15 @@ Array [
   Object {
     "column": 1,
     "endColumn": 6,
-    "endLine": 36,
+    "endLine": 3,
     "fix": Object {
       "range": Array [
-        406,
-        411,
+        7,
+        12,
       ],
       "text": "# abc",
     },
-    "line": 36,
+    "line": 3,
     "message": "Don’t use multiple top level headings (1:1)",
     "nodeType": "Program",
     "ruleId": "remark-lint-no-multiple-toplevel-headings",
@@ -39,67 +39,67 @@ Array [
   Object {
     "column": 1,
     "endColumn": 6,
-    "endLine": 46,
+    "endLine": 36,
     "fix": Object {
       "range": Array [
-        472,
-        477,
+        406,
+        411,
       ],
       "text": "# abc",
     },
-    "line": 46,
-    "message": "Do not use headings with similar content (3:1)",
+    "line": 36,
+    "message": "Do not use headings with similar content (1:1)",
     "nodeType": "Program",
     "ruleId": "remark-lint-no-duplicate-headings",
     "severity": 2,
   },
   Object {
     "column": 1,
     "endColumn": 6,
-    "endLine": 46,
+    "endLine": 36,
     "fix": Object {
       "range": Array [
-        472,
-        477,
+        406,
+        411,
       ],
       "text": "# abc",
     },
-    "line": 46,
-    "message": "Don’t use multiple top level headings (3:1)",
+    "line": 36,
+    "message": "Don’t use multiple top level headings (1:1)",
     "nodeType": "Program",
     "ruleId": "remark-lint-no-multiple-toplevel-headings",
     "severity": 1,
   },
   Object {
     "column": 1,
     "endColumn": 6,
-    "endLine": 3,
+    "endLine": 46,
     "fix": Object {
       "range": Array [
-        7,
-        12,
+        472,
+        477,
       ],
       "text": "# abc",
     },
-    "line": 3,
-    "message": "Do not use headings with similar content (1:1)",
+    "line": 46,
+    "message": "Do not use headings with similar content (3:1)",
     "nodeType": "Program",
     "ruleId": "remark-lint-no-duplicate-headings",
     "severity": 2,
   },
   Object {
     "column": 1,
     "endColumn": 6,
-    "endLine": 3,
+    "endLine": 46,
     "fix": Object {
       "range": Array [
-        7,
-        12,
+        472,
+        477,
       ],
       "text": "# abc",
     },
-    "line": 3,
-    "message": "Don’t use multiple top level headings (1:1)",
+    "line": 46,
+    "message": "Don’t use multiple top level headings (3:1)",
     "nodeType": "Program",
     "ruleId": "remark-lint-no-multiple-toplevel-headings",
     "severity": 1,